1655206020200 has 48 divisors (see below), whose sum is σ = 3848543043180. Its totient is φ = 662049884160.

The previous prime is 1655206020179. The next prime is 1655206020239. The reversal of 1655206020200 is 20206025561.

It can be written as a sum of positive squares in 6 ways, for example, as 11820473284 + 1643385546916 = 108722^2 + 1281946^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4106072 + ... + 4491128.

Almost surely, 2^{1655206020200} is an apocalyptic number.

1655206020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1655206020200 is an abundant number, since it is smaller than the sum of its proper divisors (2193337022980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1655206020200 is a wasteful number, since it uses less digits than its factorization.

1655206020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406566 (or 406557 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 1655206020200 in words is "one trillion, six hundred fifty-five billion, two hundred six million, twenty thousand, two hundred".